16133858397 has 14 divisors (see below), whose sum is σ = 24189722942. Its totient is φ = 10755905112.

The previous prime is 16133858339. The next prime is 16133858431. The reversal of 16133858397 is 79385833161.

16133858397 is a `hidden beast` number, since 16 + 13 + 38 + 583 + 9 + 7 = 666.

16133858397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12627915876 + 3505942521 = 112374^2 + 59211^2 .

It is not a de Polignac number, because 16133858397 - 2⁷ = 16133858269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16133858497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11065018 + ... + 11066475.

It is an arithmetic number, because the mean of its divisors is an integer number (1727837353).

Almost surely, 2^16133858397 is an apocalyptic number.

It is an amenable number.

16133858397 is a deficient number, since it is larger than the sum of its proper divisors (8055864545).

16133858397 is an frugal number, since it uses more digits than its factorization.

16133858397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22131511 (or 22131496 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 16133858397 in words is "sixteen billion, one hundred thirty-three million, eight hundred fifty-eight thousand, three hundred ninety-seven".